<!DOCTYPE html>
<html lang="en">
<head>
    <title>Up</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1"/>
</head>
<style>
    a {
        text-decoration: none;
    }

    #uploadBox {
        padding-left: 10%;
        padding-top: 40%;
    }
</style>
<body>
<a href='/h'>
    <button>首页</button>
</a>
<a href='/'>
    <button>Index</button>
</a>
<div id="uploadBox">
    <form id="uploadForm" action="/f" method="post" enctype="multipart/form-data">
        <input type="file" multiple name="file"/>
        <button id="submitUpload">Submit</button>
    </form>
</div>

</body>
</html>